<template>
	<el-form ref="loginForm" :model="form" :rules="rules" label-width="0" size="large">
		<el-form-item prop="user">
			<el-input v-model="form.user" prefix-icon="el-icon-user" clearable :placeholder="$t('login.userPlaceholder')">
				<template #append>
					<el-select v-model="userType" style="width: 130px;">
						<el-option :label="$t('login.admin')" value="admin"></el-option>
						<el-option :label="$t('login.user')" value="user"></el-option>
					</el-select>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item prop="password">
			<el-input v-model="form.password" prefix-icon="el-icon-lock" clearable show-password :placeholder="$t('login.PWPlaceholder')"></el-input>
		</el-form-item>
		<el-form-item style="margin-bottom: 10px;">
				<el-col :span="12">
					<el-checkbox :label="$t('login.rememberMe')" v-model="form.autologin"></el-checkbox>
				</el-col>
				<el-col :span="12" class="login-forgot">
					<router-link to="/reset_password">{{ $t('login.forgetPassword') }}？</router-link>
				</el-col>
		</el-form-item>
		<el-form-item>
			<el-button type="primary" style="width: 100%;" :loading="islogin" round @click="login">{{ $t('login.signIn') }}</el-button>
		</el-form-item>
		<div class="login-reg">
			{{$t('login.noAccount')}} <router-link to="/user_register">{{$t('login.createAccount')}}</router-link>
		</div>
	</el-form>
</template>

<script>
	export default {
		data() {
			return {
				userType: 'admin',
				form: {
					user: "admin",
					password: "admin123",
					autologin: false
				},
				rules: {
					user: [
						{required: true, message: this.$t('login.userError'), trigger: 'blur'}
					],
					password: [
						{required: true, message: this.$t('login.PWError'), trigger: 'blur'}
					]
				},
				islogin: false,
			}
		},
		watch:{
			userType(val){
				if(val == 'admin'){
					this.form.user = 'admin'
					this.form.password = 'admin'
				}else if(val == 'user'){
					this.form.user = 'user'
					this.form.password = 'user'
				}
			}
		},
		mounted() {

		},
		methods: {
			async login(){

				var validate = await this.$refs.loginForm.validate().catch(()=>{})
				if(!validate){ return false }

				this.islogin = true

				try {
          var data = {
            username: this.form.user,
            password: this.form.password
          }
          //获取token
          const login = await this.$API.authController.token({
            body: data
          });




          this.$TOOL.cookie.set("TOKEN", login.tokenValue, {
            expires: this.form.autologin ? 24 * 60 * 60 : 0
          })


          const userInfo = await this.$API.userController.userInfo();
          this.$TOOL.data.set("USER_INFO", userInfo)
          //获取菜单

          const menu = await this.$API.resourceController.myMenus();
          const permissions = await this.$API.resourceController.myButtons();
          if (menu.length === 0 && permissions.length===0) {
            this.islogin = false
            this.$alert("当前用户无任何菜单权限，请联系系统管理员", "无权限访问", {
              type: 'error',
              center: true
            })
            return false
          }

          const buildMenuMeta = (menu) => {
            menu.forEach(item=>{
              item.meta = {
                title: item.title,
                path: item.path,
                icon: item.icon,
                type: item.type,
              }

              if(item.children){
                buildMenuMeta(item.children)
              }
            })
          }
          buildMenuMeta(menu)

          this.$TOOL.data.set("MENU", menu)
          this.$TOOL.data.set("PERMISSIONS", permissions)

          this.$router.replace({
            path: '/'
          })
          this.$message.success("Login Success 登录成功")
        }finally {
          this.islogin = false
        }

			},
		}
	}
</script>

<style>
</style>
